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Allow passing of configuration parameters in the command line
The values passed this way will override whatever is defined in the config files. Signed-off-by: Alex Riesen <raa.lkml@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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@ -12,6 +12,7 @@ SYNOPSIS
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'git' [--version] [--exec-path[=GIT_EXEC_PATH]] [--html-path]
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[-p|--paginate|--no-pager] [--no-replace-objects]
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[--bare] [--git-dir=GIT_DIR] [--work-tree=GIT_WORK_TREE]
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[-c name=value]
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[--help] COMMAND [ARGS]
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DESCRIPTION
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@ -219,6 +220,12 @@ displayed. See linkgit:git-help[1] for more information,
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because `git --help ...` is converted internally into `git
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help ...`.
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-c <name>=<value>::
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Pass a configuration parameter to the command. The value
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given will override values from configuration files.
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The <name> is expected in the same format as listed by
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'git config' (subkeys separated by dots).
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--exec-path::
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Path to wherever your core git programs are installed.
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This can also be controlled by setting the GIT_EXEC_PATH
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@ -197,7 +197,11 @@ static int get_value(const char *key_, const char *regex_)
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git_config_from_file(show_config, system_wide, NULL);
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if (do_all && global)
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git_config_from_file(show_config, global, NULL);
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git_config_from_file(show_config, local, NULL);
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if (do_all)
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git_config_from_file(show_config, local, NULL);
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git_config_from_parameters(show_config, NULL);
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if (!do_all && !seen)
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git_config_from_file(show_config, local, NULL);
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if (!do_all && !seen && global)
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git_config_from_file(show_config, global, NULL);
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if (!do_all && !seen && system_wide)
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2
cache.h
2
cache.h
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@ -932,6 +932,8 @@ extern int update_server_info(int);
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typedef int (*config_fn_t)(const char *, const char *, void *);
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extern int git_default_config(const char *, const char *, void *);
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extern int git_config_from_file(config_fn_t fn, const char *, void *);
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extern int git_config_parse_parameter(const char *text);
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extern int git_config_from_parameters();
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extern int git_config(config_fn_t fn, void *);
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extern int git_parse_ulong(const char *, unsigned long *);
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extern int git_config_int(const char *, const char *);
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71
config.c
71
config.c
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@ -18,6 +18,62 @@ static int zlib_compression_seen;
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const char *config_exclusive_filename = NULL;
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struct config_item
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{
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struct config_item *next;
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char *value;
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char name[1 /* NUL */];
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};
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static struct config_item *config_parameters;
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static struct config_item **config_parameters_tail = &config_parameters;
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static void lowercase(char *p)
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{
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for (; *p; p++)
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*p = tolower(*p);
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}
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static char *skip_space(const char *p)
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{
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for (; *p; p++)
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if (!isspace(*p))
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break;
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return (char *)p;
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}
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static char *trailing_space(const char *begin, const char *p)
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{
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while (p-- > begin)
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if (!isspace(*p))
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break;
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return (char *)p + 1;
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}
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int git_config_parse_parameter(const char *text)
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{
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struct config_item *ct;
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const char *name;
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const char *val;
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name = skip_space(text);
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text = val = strchr(name, '=');
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if (!text)
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text = name + strlen(name);
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text = trailing_space(name, text);
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if (text <= name)
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return -1;
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ct = xcalloc(1, sizeof(struct config_item) + (text - name));
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memcpy(ct->name, name, text - name);
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lowercase(ct->name);
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if (!val)
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ct->value = NULL;
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else {
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val = skip_space(++val /* skip "=" */);
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text = trailing_space(val, val + strlen(val));
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ct->value = xstrndup(val, text - val);
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}
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*config_parameters_tail = ct;
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config_parameters_tail = &ct->next;
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return 0;
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}
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static int get_next_char(void)
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{
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int c;
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@ -699,6 +755,15 @@ int git_config_global(void)
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return !git_env_bool("GIT_CONFIG_NOGLOBAL", 0);
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}
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int git_config_from_parameters(config_fn_t fn, void *data)
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{
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const struct config_item *ct;
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for (ct = config_parameters; ct; ct = ct->next)
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if (fn(ct->name, ct->value, data) < 0)
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return -1;
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return 0;
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}
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int git_config(config_fn_t fn, void *data)
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{
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int ret = 0, found = 0;
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@ -730,6 +795,12 @@ int git_config(config_fn_t fn, void *data)
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found += 1;
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}
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free(repo_config);
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if (config_parameters) {
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ret += git_config_from_parameters(fn, data);
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found += 1;
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}
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if (found == 0)
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return -1;
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return ret;
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9
git.c
9
git.c
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@ -8,6 +8,7 @@ const char git_usage_string[] =
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"git [--version] [--exec-path[=GIT_EXEC_PATH]] [--html-path]\n"
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" [-p|--paginate|--no-pager] [--no-replace-objects]\n"
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" [--bare] [--git-dir=GIT_DIR] [--work-tree=GIT_WORK_TREE]\n"
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" [-c name=value\n"
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" [--help] COMMAND [ARGS]";
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const char git_more_info_string[] =
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@ -130,6 +131,14 @@ static int handle_options(const char ***argv, int *argc, int *envchanged)
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setenv(GIT_DIR_ENVIRONMENT, getcwd(git_dir, sizeof(git_dir)), 0);
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if (envchanged)
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*envchanged = 1;
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} else if (!strcmp(cmd, "-c")) {
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if (*argc < 2) {
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fprintf(stderr, "-c expects a configuration string\n" );
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usage(git_usage_string);
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}
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git_config_parse_parameter((*argv)[1]);
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(*argv)++;
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(*argc)--;
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} else {
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fprintf(stderr, "Unknown option: %s\n", cmd);
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usage(git_usage_string);
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@ -824,4 +824,12 @@ test_expect_success 'check split_cmdline return' "
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test_must_fail git merge master
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"
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test_expect_success 'git -c "key=value" support' '
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test "z$(git -c name=value config name)" = zvalue &&
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test "z$(git -c core.name=value config core.name)" = zvalue &&
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test "z$(git -c CamelCase=value config camelcase)" = zvalue &&
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test "z$(git -c flag config --bool flag)" = ztrue &&
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test_must_fail git -c core.name=value config name
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'
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test_done
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